Omron CJ1W-ECT21 Operation Manual page 132

5 Troubleshooting
Event name Sll Unit Verification Error
Meaning An error occurred in Slave Unit verification.
Source PLC Function Module
Error Level
attributes
Effects User program
Sys- Variable
tem-defined
None
variables
Cause and Assumed cause
correction
An error occurred in Slave Unit
information.
Attached None
information
Precautions/ None
Remarks
Event name I/O Refresh Error
Meaning The I/O memory in the destination CPU Unit for I/O refreshing could not be found when refreshing in the
CPU Unit.
Source PLC Function Module
Error Level
attributes
Effects User program
Sys- Variable
tem-defined
None
variables
Cause and Assumed cause
correction
The data area type, data area size
and first word in the data area
were outside of the specified
range.
I/O words are allocated in an EM
bank that does not exist.
Attached None
information
Precautions/ None
Remarks
5 - 22
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Replace the EtherCAT Slave Unit. None
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Correct the I/O allocations so that
the data area type, data area size
and first word in the data area are
allocated within the specified
range.
Correct the I/O allocations so that
only I/O words that exist in the I/O
memory of a CPU Unit are allo-
cated.
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
Event code 05420000 hex
CJ-series Unit Detection
timing
Cycle the power Log category
supply
The EtherCAT communications stops in Init state.
Name
---
Prevention
Event code 35680000 hex
CJ-series Unit Detection
timing
Automatic Log category
recovery
The EtherCAT communications stops in Init state.
Name
---
Prevention
Allocate the data area type, data
area size and first word in the data
area within the specified range.
Allocate only I/O words that exist
in the I/O memory of a CPU Unit.
At power ON or
Controller reset
System
At power ON or
Controller reset
System